APA (7th ed.) Citation

Unesco & Roger, D. (1981). Precious water=Eaux rares=Aguas preciadas. Unesco.

Chicago Style (17th ed.) Citation

Unesco and Dominique Roger. Precious Water=Eaux Rares=Aguas Preciadas. Paris: Unesco, 1981.

MLA (9th ed.) Citation

Unesco and Dominique Roger. Precious Water=Eaux Rares=Aguas Preciadas. Unesco, 1981.

Warning: These citations may not always be 100% accurate.